Lava section, sample 7 a (Ordovician of Russian Federation)

Where: St. Petersburg, Russian Federation (59.9° N, 31.6° E: paleocoordinates 41.0° S, 1.6° W)

• coordinate estimated from map

When: Paroistodus proteus conodont zone, Lakity Member (Leetse Formation), Hunneberg (484.5 - 471.8 Ma)

• formation-level stratigraphic resolution

Environment/lithology: marine; glauconitic, quartzose sandstone

• "quartzose sand with glauconite", in Tolmacheva et al. (2001)

Size classes: macrofossils, mesofossils

Primary reference: T. J. Tolmacheva, T. N. Koren, L. E. Holmer, L. E. Popov, and E. Raevskaya. 2001. The Hunneberg Stage (Ordovician) in the area east of St. Petersburg, north-western Russia. Paläontologische Zeitschrift 74(4):543-561 [B. Kröger/B. Kröger]more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 191291: authorized by Björn Kröger, entered by Björn Kröger on 22.01.2018

Creative Commons license: CC BY (attribution)

Taxonomic list

Conodonta
 Conodontophorida -
Paroistodus proteus Lindström 1955 conodont
Graptolithina
 Tetragrapta -
Tetragraptus phyllograptoides Strandmark 1902 graptoloid
 Panreclinata - Dichograptidae